package org.example.springbook.Controller;

import jakarta.servlet.http.HttpSession;
import lombok.extern.slf4j.Slf4j;
import org.example.springbook.Service.BookService;
import org.example.springbook.constant.Constants;
import org.example.springbook.model.*;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;


import java.util.List;


/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: 22652
 * Date: 2024-06-20
 * Time: 16:46
 */
@Slf4j
@RequestMapping("/book")
@RestController
public class BooklistController {

    @Autowired
    BookService bookService;

    @RequestMapping("/getListByPage")
    public Result getListByPage(PageRequest pageRequest, HttpSession session) {
        log.info("查询翻页信息, pageRequest:{}", pageRequest);
//        //用户登录校验
//        UserInfo userInfo = (UserInfo) session.getAttribute(Constants.SESSION_USER_KEY);
//        if (userInfo == null || userInfo.getId() <= 0 || "".equals(userInfo.getUserName())) {
//            //用户未登录
//            return Result.unlogin();
//        }

        if (pageRequest.getPageSize() < 0 || pageRequest.getCurrentPage() < 1) {
            return Result.fail("参数校验失败");
        }
        PageResult<BookInfo> bookInfoPageResult = null;
        try {
            bookInfoPageResult = bookService.selectBookInfoByPage(pageRequest);
            return Result.success(bookInfoPageResult);
        } catch (Exception e) {
            log.error("查询翻页信息错误,e:{}", e);
            return Result.fail(e.getMessage());
        }
    }

    @RequestMapping(value = "/addBook", produces = "application/json")
    public String addBook(BookInfo bookInfo) {
        log.info("接收到添加图书请求, bookInfo:{}", bookInfo);
        //参数校验
        if (!StringUtils.hasLength(bookInfo.getBookName())
                || !StringUtils.hasLength(bookInfo.getAuthor())
                || bookInfo.getCount() < 0 || bookInfo.getPrice() == null
                || !StringUtils.hasLength(bookInfo.getPublish())
        ) {
            return "参数校验失败, 请检查入参";
        }
        Integer result = bookService.addBook(bookInfo);
        if (result <= 0) {
            log.error("添加图书出错:bookInfo:{}", bookInfo);
            return "添加图书出错, 请联系管理人";
        }
        return "";
    }

    @RequestMapping("/queryBookInfoById")
    public BookInfo queryBookInfoById(Integer bookId) {
        log.info("根据ID查询图书, bookId:" + bookId);
        BookInfo bookInfo = null;
        try {
            bookInfo = bookService.queryBookInfoById(bookId);
        } catch (Exception e) {
            log.error("查询图书失败, e:{}", e);
        }
        return bookInfo;
    }

    @RequestMapping(value = "/updateBook", produces = "application/json")
    public String updateBook(BookInfo bookInfo) {
        log.info("接收到更新图书的请求, bookInfo:{}", bookInfo);
        Integer result = bookService.updateBook(bookInfo);
        if (result == 0) {
            log.error("更新图书失败, 请联系管理员");
            return "更新图书失败, 请联系管理员";
        }
        return "";
    }

    @RequestMapping(value = "/batchDelete", produces = "application/json")
    public String batchDelete(@RequestParam List<Integer> ids) {
        log.info("接收请求, 批量删除图书, 图书ID:{}", ids);
        Integer result = bookService.batchDelete(ids);
        if (result <= 0) {
            log.error("批量删除失败, ids:{}", ids);
            return "批量删除失败, 请联系管理员";
        }
        return "";
    }
}
